body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    color: #333;
}
.container {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: 250px;
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    flex-shrink: 0;
}
.sidebar h2 {
    text-align: center;
    color: #ecf0f1;
    margin-bottom: 30px;
}
.sidebar ul {
    list-style: none;
    padding: 0;
}
.sidebar ul li a {
    display: block;
    color: #bdc3c7;
    padding: 15px 20px;
    text-decoration: none;
    border-radius: 5px;
    margin-bottom: 10px;
    transition: background-color 0.3s, color 0.3s;
}
.sidebar ul li a:hover, .sidebar ul li a.active {
    background-color: #3498db;
    color: white;
}
.main-content {
    flex-grow: 1;
    padding: 30px;
}
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .admin-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .admin-actions .btn {
        width: 100%;
        text-align: center;
    }
}
.card {
    background-color: white;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}
.login-container {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #3498db, #2c3e50);
}
.login-box {
    width: 350px;
    padding: 40px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: left;
}
th {
    background-color: #f2f2f2;
}
tr:nth-child(even) {
    background-color: #f9f9f9;
}
tr:hover {
    background-color: #f1f1f1;
}
.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    color: white;
    font-size: 14px;
}
.btn-primary { background-color: #3498db; }
.btn-success { background-color: #2ecc71; }
.btn-danger { background-color: #e74c3c; }
.btn-warning { background-color: #f39c12; }
.btn-info { background-color: #1abc9c; }
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
}
.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}
.status {
    padding: 5px 10px;
    border-radius: 15px;
    color: white;
    font-size: 12px;
    text-align: center;
}
.status-menunggu { background-color: #f39c12; }
.status-disetujui { background-color: #2ecc71; }
.status-ditolak { background-color: #e74c3c; }